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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

While diagnosing a PCV problem: Technician A says that a stuck open PCV valve will cause a richer than normal air-fuel mixture. Technician B says that oil in the air cleaner assembly can be caused by worn piston rings. Who is correct?

a. Technician A only

b. Technician B only

c. Both A and B

d. Neither A nor B

To determine

The technician with the correct approach in diagnosing the PCv problem.

Explanation

Given:

Technician A says that a stuck open PCV valve will cause a richer than normal air-fuel mixture.

Technician B says that oil in the air cleaner assembly can be caused by worn piston rings.

The positive crankcase ventilation is a system used to restrict the flow of blow-by gases to enter into the crankcase. Whenever the piston rings are worn out, it creates excessive blow-by gases and increases the back pressure...

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